R S Hipolito et al 2003 J. Phys. A: Math. Gen. 36 4963 doi:10.1088/0305-4470/36/18/302
R S Hipolito, R K P Zia and B Schmittmann
Show affiliationsUsing simulations and a simple mean-field theory, we investigate jamming transitions in a two-species lattice gas under non-equilibrium steady-state conditions. The two types of particles diffuse with different mobilities on a square lattice, subject to an excluded volume constraint and biased in opposite directions. Varying filling fraction, differential mobility and drive, we map out the phase diagram, identifying first order and continuous transitions between a free-flowing disordered and a spatially inhomogeneous jammed phase. Ordered structures are observed to drift, with a characteristic velocity, in the direction of the more mobile species.
05.50.+q Lattice theory and statistics (Ising, Potts, etc.)
82C26 Dynamic and nonequilibrium phase transitions (general)
82C20 Dynamic lattice systems (kinetic Ising, etc.) and systems on graphs
Issue 18 (9 May 2003)
Received 13 February 2003
Published 23 April 2003
R S Hipolito et al 2003 J. Phys. A: Math. Gen. 36 4963
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